code: def load_txt(filename, **kwargs):
      """
      Loads a txt file using np.loadtxt.
      :param filename: a string or file-like object
      :return: the loaded object
      """
      return np.loadtxt(filename, **kwargs)
  
imports: import ast
  import sys
  import joblib
  import networkx
  import numpy
  import pandas
  import scipy.sparse
  from spektral.data.graph import Graph
label_desc: Use image node_id 9 for calling a global function with example usage: load_txt(filename) and returns: np